<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    *{
        margin: 0px;
    }
    /* 顶部部分 */
    .topnav{
        margin-top: 30px;
        margin-left: 20px;
        display: flex;
        flex-direction: row; 
		justify-content:flex-start;
    }
    .topnav img:nth-child(1){
        width: 20px;
        height: 20px;
    }
    .topnav span:nth-child(2){
        margin: 0 auto;
        font-size: 20px;
        color: #505050;
        font-weight: 900;
    }
    .picture{
        width: 100%;
        height: 722px;
        margin-top: 30px;
    }
</style>
<body>
    <div>
        <!-- 顶部部分 -->
        <div class="topnav">
            <img src="../jpg/返回.png" >
            <span>我的订阅</span>
        </div>
        <img class="picture" src="../jpg/我的订阅.png" >
    </div>
    
</body>
</html>